Searching for 120.180.38.184.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 25 ms
Searching for 120.180.38.184.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for 120.180.38.184.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for u.arin.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for u.arin.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 12 ms
Searching for u.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 155 ms
Searching for 120.180.38.184.in-addr.arpa. PTR record at u.arin.net. [204.61.216.50]
...took 11 msSearching for u.arin.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 12 ms
Searching for u.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 155 ms
Nameserver u.arin.net. reports: No such host 120.180.38.184.in-addr.arpa.
Total elapsed query time: 226 ms